Tire tread



FIG. 1 is a perspective view of a tire tread according to our new ornamental design;

FIG. 2 is a side view thereof; and,

FIG. 3 is a front view thereof.

The broken lines showing environment or structure of the tire tread are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 